connector-telephony/base_sms_client/views/smstemplate_view.xml

<?xml version="1.0"?>
<odoo>
    <record model="ir.ui.view" id="email_template_form">
        <field name="name">mail.template.form</field>
        <field name="model">mail.template</field>
        <field name="inherit_id" ref="mail.email_template_form"/>
        <field name="arch" type="xml">
            <field name="email_to" position="after">
                <field name="mobile_to"/>
            </field>
            <field name="lang" position="before">
                <field name="sms_template"/>
                <field name="gateway_id"/>
            </field>
        </field>
    </record>
</odoo>